diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index 6becf8d..c3bd8fc 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -9,18 +9,15 @@
 
 #include "mbedtls/platform.h"
 
-#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_PEM_PARSE_C) || \
-    !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_SSL_TLS_C) ||  \
-    !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_NET_C) ||      \
-    !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) ||     \
-    !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO)
+#if !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) ||      \
+    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_SRV_C) ||           \
+    !defined(MBEDTLS_PEM_PARSE_C) || !defined(MBEDTLS_X509_CRT_PARSE_C)
 int main(void)
 {
-    mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
-                   "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
-                   "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_printf("MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_SSL_SRV_C and/or "
+                   "MBEDTLS_PEM_PARSE_C and/or MBEDTLS_X509_CRT_PARSE_C "
+                   "not defined.\n");
     mbedtls_exit(0);
 }
 #else
@@ -356,7 +353,5 @@
 
     mbedtls_exit(ret);
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
-          MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
-          MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C
-          && MBEDTLS_FS_IO && MBEDTLS_PEM_PARSE_C */
+
+#endif /* configuration allows running this program */